Category Archives: Java
The close () in JFrame unfortunately does not exist. Nevertheless, we can easily form close. or The first method described only invisible form. We can work with him in the future. The second method invisible form and releases all used resources.
Do you need execute an exception? Just use a simple code: or for example:
For the conversion is necessary to have a data class (in this case User). We use while loop in this case. Every iteration we create a new object and insert data to them. After that we insert the object into … Continue reading
To insert an ArrayList to another ArrayList will be initialized just use a common structure: